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Power control methods for dedicated control channels during discontinuous transmission in IS-2000 systems

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3 Author(s)
Yiping Wang ; Nortel Networks, Richardson, TX, USA ; Paranchych, D.W. ; Chheda, A.H.

We address the problem of power control for dedicated control channels (DCCHs) in IS-2000 CDMA networks during intervals of discontinuous transmission (DTX). A receiver must have the ability to distinguish between a bad traffic frame and a stoppage of transmission, if outer loop power control (OLPC) is to operate properly. We propose two new methods to facilitate the detection of a DTX interval. The first method uses measurements of the signal-to-noise ratios of the traffic channel and the power control sub-channel. The second uses explicit signaling between the transmitter and receiver. Simulations are used to assess the performance of the first method

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Personal, Indoor and Mobile Radio Communications, 2000. PIMRC 2000. The 11th IEEE International Symposium on  (Volume:1 )

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